# Cal.com v5.4.15 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.4.15
- **Released:** Jul 07, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.4.15/

## Executive Summary (TL;DR)
Cal.com v5.4.15. Source highlight: chore: add `createdAt` field to `SelectedCalendar` and `DestinationCalendar`

## New Features
- chore: add `createdAt` field to `SelectedCalendar` and `DestinationCalendar`
- feat: pbac core ui